Olędzki Remigiusz, Lutosławski Krzysztof, Nowicka Paulina, Wojdyło Aneta, Harasym Joanna
Department of Biotechnology and Food Analysis, Wrocław University of Economics and Business, Komandorska 118/120, 53-345 Wrocław, Poland.
Adaptive Food Systems Accelerator-Science Centre, Wrocław University of Economics and Business, Komandorska 118/120, 53-345 Wrocław, Poland.
Foods. 2022 Jul 26;11(15):2216. doi: 10.3390/foods11152216.
Non-commercial hybrid grapevine cultivars, usually used for dessert purposes or as ornamental garden plants, may contain a wealth of bioactive substances and thus can be regarded as highly valuable food resources. Antioxidant properties and selected groups of polyphenolic components in the three fractions of fruits: peel, pulp and juice; of five hybrid grape cultivars grown in Poland-Michigan, Alwood, Minnesota, V68021 and Beta-were analyzed and characterized. The liquid chromatography coupled with tandem mass spectrometry (LC-MS-PDA-Q/TOF and UPLC-PDA), total polyphenols, flavonoids and anthocyanins, and DPPH, ABTS and FRAP were used for evaluation of antioxidant potential qualitatively and quantitatively as well as simple reductive sugars were measured. The antioxidant activity and polyphenols content depend mainly on the grape fruit fraction, while they depend to a lesser extent on the cultivar of the hybrid grapes studied. It was confirmed that grape skins are characterized by high antioxidant activity and their bioactive characteristics are similar to many hybrid grape cultivars grown in southern and Mediterranean regions of Europe. Especially grape skins of Alwood and Beta cultivars were characterized by a particularly high content of polyphenolic compounds, mainly from the flavonoid and anthocyanin group and a low content of simple sugars.
非商业性杂交葡萄品种通常用于制作甜点或作为园林观赏植物，可能含有丰富的生物活性物质，因此可被视为极具价值的食物资源。对在波兰种植的五个杂交葡萄品种——密歇根、阿尔伍德、明尼苏达、V68021和贝塔——果实的三个部分（果皮、果肉和果汁）中的抗氧化特性以及选定的多酚类成分组进行了分析和表征。采用液相色谱-串联质谱法（LC-MS-PDA-Q/TOF和UPLC-PDA）、总多酚、黄酮类化合物和花青素，以及DPPH、ABTS和FRAP法对抗氧化潜力进行了定性和定量评估，并测定了单糖含量。抗氧化活性和多酚含量主要取决于葡萄果实的部分，而在较小程度上取决于所研究的杂交葡萄品种。结果证实，葡萄皮具有较高的抗氧化活性，其生物活性特征与欧洲南部和地中海地区种植的许多杂交葡萄品种相似。特别是阿尔伍德和贝塔品种的葡萄皮，其多酚类化合物含量特别高，主要来自黄酮类和花青素组，单糖含量低。
